Etling, F. R. (1978). Intermediate string techniques. Forest R. Etling.
Citación estilo ChicagoEtling, Forest R. Intermediate String Techniques. Elgin: Forest R. Etling, 1978.
Cita MLAEtling, Forest R. Intermediate String Techniques. Forest R. Etling, 1978.
Warning: These citations may not always be 100% accurate.